In how many years, Tk. 150 will produce the same interest @8% Tk.800 produce in years @4.5% ?
Created: 6 years ago |
Updated: 3 years ago
best des
In second stage,
100 taka in 1 year gains 41/2 or 9/2 taka
1 taka in 1 year gains 9 /(2×100) taka
800 taka in 3 year gains = ( 9×3×800)/200 = 108 tk
In first stage,
100 taka gains 8 taka
1 taka gains 8/100 taka
150 taka gains (8×150)/100 taka = 12 taka
Now, 12 tk is gained in 1 year
108 tk is gained in = 108/12 = 9 years
Md Azizur Rahman
Founder of Satt
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